Crime Grade · FBI UCR Data · 2025
Sun Prairie, WI Crime Grade
How Sun Prairie grades for violent crime against every other reporting U.S. city — and against the rest of Wisconsin — based on the FBI's Uniform Crime Reporting data.
National
4/10
vs. all U.S. cities ≥ 25,000 population
Wisconsin
5/10
vs. Wisconsin cities ≥ 10,000 population
In 2025, the violent crime rate in Sun Prairie, WI was 112.2 per 100,000 residents (45 incidents over a population of 40,109). That puts Sun Prairie Infinity% above the U.S. rate of 0.0 and 52% below the Wisconsin statewide rate of 235.9.
That ranks Sun Prairie #1,265 of 3,771 ranked U.S. cities, safer than 66% of them, and #39 of 89 in Wisconsin. Violent crime is down 42% year over year and down 45% over the last five years.
Sun Prairie, WI crime — key facts
- National Crime Grade
- B (4/10)
- Wisconsin Grade
- B (5/10)
- Violent crime rate
- 112.2 / 100k
- National rank
- #1,265 of 3,771
- WI rank
- #39 of 89
- Safer than
- 66% of U.S. cities
- Year over year
- down 42%
- 5-year change
- down 45%
- Population
- 40,109
- Reporting agency
- Sun Prairie Police Department
- Data year
- 2025 · FBI UCR
Reported by Sun Prairie Police Department (FBI ORI WI0130600) to the FBI Uniform Crime Reporting Program. Download the full dataset (CSV) · methodology.
Violent crime rate, 5-year trend
Per 100,000 residents. Sun Prairie (red), Wisconsin (blue), U.S. average (gray dashed).
Sun Prairie vs. U.S., 2025 — by offense
Rates per 100,000 residents for each offense category.
Full data, last 5 years
Rates per 100,000 residents. Raw counts in parentheses.
| Offense | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Violent crime | 204.4(73) | 284.9(103) | 194.9(72) | 194.7(75) | 112.2(45) |
| Murder | 2.8(1) | 0.0(0) | 0.0(0) | 2.6(1) | 2.5(1) |
| Rape | 28.0(10) | 30.4(11) | 16.2(6) | 13.0(5) | 15.0(6) |
| Robbery | 25.2(9) | 13.8(5) | 10.8(4) | 7.8(3) | 5.0(2) |
| Aggravated assault | 148.4(53) | 240.6(87) | 167.8(62) | 171.3(66) | 89.8(36) |
| Property crime | 1601.3(572) | 1560.0(564) | 1561.6(577) | 1422.7(548) | 969.9(389) |
| Burglary | 168.0(60) | 113.4(41) | 62.2(23) | 85.7(33) | 52.4(21) |
| Larceny | 1270.9(454) | 1291.7(467) | 1388.4(513) | 1264.3(487) | 882.6(354) |
| Motor vehicle theft | 162.4(58) | 149.4(54) | 108.3(40) | 72.7(28) | 34.9(14) |
How the Crime Grade is calculated
- What is the source of the Sun Prairie, WI Crime Grade?
- FBI Uniform Crime Reporting via the Crime Data Explorer. Agency-level data, pulled directly. No third-party aggregators, no proprietary score.
- What metric does the Sun Prairie Crime Grade use?
- Violent crime rate per 100,000 residents (murder + rape + robbery + aggravated assault), most recent fully-reported year.
- How is the national decile for Sun Prairie calculated?
- Sun Prairie's rate placed against all FBI-reporting U.S. cities with population ≥ 25,000. 1 = safest.
- How is the Wisconsin state decile calculated?
- Same calculation restricted to Wisconsin cities with population ≥ 10,000.
- How do decile scores convert to a letter grade?
- 1–3 = A · 4–5 = B · 6–7 = C · 8 = D · 9–10 = F.
- How often is the Sun Prairie Crime Grade refreshed?
- Twice a year. The FBI typically releases the prior year's full data each September.
- What are the limits of this Crime Grade?
- The FBI relies on local agency reporting. Rates reflect what was reported, not what occurred.
Nearby cities in Wisconsin
Comparable Wisconsin cities by population.
Compare Sun Prairie to other places
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